The F80 M3 forges ahead with testing at the Nurburgring. We've got it on video giving us probably the best listen so far at the F80 M3's multi-turbo inline 6.

If you recall, we recently reported on information gleaned from the M4 prototype's registered VIN information (see here).

According to the VIN info, the M3 will be powered by a 310kW (415 hp) 3.0L inline 6 engine (s55) [photos]. Consistent with the information we've been posting, this would have the next M3 and M4 featuring similar horsepower figures to the current M3 (414 hp) from the 3.0L inline 6 multi-turbo s55 engine. But, we've also been previously told by trusty sources familiar with F80/F82 development that the cars will boast approximately 100 lb-ft more torque (in range of 395 lb-ft) (source) and nearly 8000 RPM redline (source).

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I remember the comments when the M3 E92 was still in it's testing stage. Everybody was crying that the sound of the E46 was better. Now suddenly the S65 is the sh*t. I bet you by the time this thing is replaced the same people who are crying about the S65 today will be crying about this S55 then. ...